#include <stdio.h>

int my_strlen(const char* str)

{
	char* p = str;
	while (*p++)
	{
		;
	}
	return p -str ;
}

int main()
{
	char arr[] = "asdhkjhfjkhkjcksa";
	int ret = my_strlen(arr);
	printf("%d\n", ret);
	return 0;
}